This is an excellent quality strap-on sex system, which has an interchangeable vac-u-lock system. It's designed to give you command and control for the ultimate in erotic pleasure. This features an adjustable waist up to 60", which will fit almost anyone that's plus size. It's got an open crotch for comfort, easy access, and is the sexiest strap on I've ever seen! If you've ever had a kinky fantasy where you have a penis, well this is a good item to bring that fantasy alive.